In some 'naruto sealed gender fanfiction', the story might focus on how the ninja world reacts to Naruto's new gender. For example, some characters might be more accepting while others could be more hostile, which would create new plotlines and tensions.
An interesting idea is that when Madara is sealed, his chakra is spread across the ninja world. Naruto has to go on a journey to collect all these fragments of chakra to prevent Madara from ever being resurrected. Along the way, he meets different clans who have been affected by Madara's actions in the past and they either help or hinder his quest.
One interesting idea could be how the sealed hatred affects Naruto's relationships. Maybe it makes his friends more cautious around him, or it could create new rivalries. For example, if the hatred seeps out in small ways, it might cause misunderstandings among his comrades in the Hidden Leaf Village.
One interesting idea could be the combination of Naruto's world with another popular anime world. For example, if it's crossed with One Piece, Naruto might use his sealing jutsu on Devil Fruits to prevent their misuse. It could also involve Naruto being sealed in a different realm from another anime and having to find a way back while facing new challenges.
One idea could be exploring how Hashirama's sealing affects the balance of power in the ninja world. For example, other villages might see it as an opportunity to gain an edge over Konoha.
One interesting idea could be exploring how the story would change if a major character's gender was different. For example, if Naruto was female, her relationships with Sasuke and Sakura might have different dynamics. Maybe she'd face different challenges in the ninja world as a female, like different expectations in combat or leadership.
One interesting idea could be how Naruto's relationships change. For example, his friendships with Sasuke and Sakura might take on different dynamics. With a gender change, the way they interact could be more complex or even lead to new story arcs.
One idea could be a gender - swapped Naruto in a role - reversal of the original story. For example, she could be the one to first befriend Sasuke who is also gender - swapped. Another idea is a gender - swapped Naruto becoming the Hokage in a different way than Naruto did in the original. Maybe she focuses more on diplomatic relations rather than brute strength at first.
Well, in such fanfiction, one idea could be that Naruto hides his gender to gain an advantage in a male - dominated ninja world. Maybe he feels that as a female, he'd be underestimated or treated differently. So by hiding it, he can prove himself on equal terms.
One idea could be the exploration of how Naruto's sealing affects the crossovers. For example, if it's a crossover with the Bleach universe, the seal might disrupt the spiritual balance there. Another could be Naruto being sealed in a different dimension where the crossover characters reside, and he has to find a way to break the seal while interacting with these new characters.
One idea could be Naruto being turned into a girl and having to deal with different social expectations in the ninja world. For example, she might face more restrictions in combat training at first because of the traditional gender roles. Another plot could involve the reactions of his friends like Sasuke and Sakura. Sasuke might be more protective or have a different dynamic with a female Naruto.